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Phone	Sony Ericsson T310	Sanyo RL-4920	Sanyo Zio by Kyocera	BlackBerry Pearl 3G 9100 / 9105	Microsoft Lumia 640
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	3.5" diag. 5 : 3	2.3" diag. 1 : 1	5" diag. 16 : 9
Display Resolution & Type	101 x 80 pixels LCD (STN)	128 x 112 pixels LCD (Color)	480 x 800 pixels (~267 ppi) LCD (TFT/TFD)	360 x 400 pixels (~238 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~294 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	?
Battery	?	1,700 mAh	1,130 mAh	1,150 mAh	2,500 mAh
Processor	?	?	Qualcomm S1 MSM7627	?	1.2 GHz Qualcomm Snapdragon 400 (MSM8926)
RAM	?	?	?	?	1 GB
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	8 GB
Main Camera	-	-	3 megapixel	3 megapixel	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	WVGA / 480p	?	1080p HD
Front Camera	-	-	-	-	1 megapixel
Weight	3.42 oz (97g)	4.03 oz (114g)	3.7 oz (105g)	3.3 oz (94g)	5.11 oz (145g)
Dimensions	4.09" x 1.93" x 0.75" (104 x 49 x 19.1 mm)	4.22" x 1.85" x 0.85" (107 x 47 x 21.6 mm)	4.57" x 2.31" x 0.48" (116 x 59 x 12.2 mm)	4.25" x 1.96" x 0.52" (108 x 50 x 13.2 mm)	5.56" x 2.84" x 0.35" (141 x 72 x 8.9 mm)
Form Factor	Slab	Slab	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	Android	BlackBerry OS	Windows
Network Bands	GSM: 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1700, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	4G LTE: 1, 2, 4, 5, 7, 12, 17, 28 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 *
Data Technology	GPRS	1xRTT	EVDO rA	HSDPA 3.6	LTE (Cat 4)
Features
GPS / Location	Yes	Yes	n/a	n/a	n/a
Accessibility
Adjustable Text Size	-	-	n/a	n/a	n/a
Hearing Aid Compatible	-	-	Yes M4, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)	Yes M3, T4 (very tele-coil compatible)
Multiple Languages	Yes	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	-	Yes	Yes	-	Yes
Alerts
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	-	-	Yes	Yes	Yes
Infrared (IR)	Yes	-	-	-	-
Mobile Hotspot	-	-	n/a	n/a	n/a
NFC	-	-	-	-	Yes
USB	Yes	Yes	Yes	Yes Micro-USB	Yes Micro-USB
Wi-Fi	-	-	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	Yes	n/a	n/a	n/a
Ringer ID	Yes	Yes	n/a	n/a	n/a
Voice Dialing	-	Yes	n/a	n/a	n/a
Customization
Custom Graphics	Yes	Yes	n/a	n/a	n/a
Custom Ringtones	Yes	Yes	n/a	n/a	n/a
Real-Music Ringers	-	-	n/a	n/a	n/a
Data & Network
Data Tethering	Yes	-	n/a	n/a	n/a
WAP / Web Browser	Yes	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	Yes *	-
Touch Screen	-	-	Yes Capacitive	-	Yes Capacitive
Memory
Memory Card Slot	-	-	Yes	Yes	Yes
Messaging
Email Client	Yes	-	n/a	n/a	n/a
EMS / Picture Messaging	Yes	-	n/a	n/a	n/a
Instant Messaging	-	-	n/a	n/a	n/a
MMS	Yes	-	n/a	n/a	n/a
Text Messaging Templates	Yes	-	n/a	n/a	n/a
Music
FM Radio	-	-	-	-	Yes
Headphone Jack (3.5mm)	-	-	Yes	Yes	Yes
Music Player	-	-	n/a	n/a	n/a
Photo & Video
DLNA	-	-	-	-	Yes
Miracast	-	-	-	-	Yes
Productivity
Alarm	Yes	Yes	n/a	n/a	n/a
Calculator	Yes	Yes	n/a	n/a	n/a
Calendar	Yes	Yes	n/a	n/a	n/a
To-Do List	-	Yes	n/a	n/a	n/a
Voice Memo	Yes	Yes	n/a	n/a	n/a
Software
Games	Yes	Yes	n/a	n/a	n/a
Java (J2ME)	-	Yes	n/a	n/a	n/a
Voice
Call Screening	-	Yes	-	-	-
HD Voice	-	-	-	-	Yes
Headset Jack (2.5 mm)	-	Yes	n/a	n/a	n/a
Push-To-Talk	-	Yes	-	-	-
Speaker Phone	-	Yes	Yes	Yes	Yes
	* Some versions only
	Sony Ericsson T310	Sanyo RL-4920	Sanyo Zio by Kyocera	BlackBerry Pearl 3G 9100 / 9105	Microsoft Lumia 640
	X >	< X >	< X >	< X >	< X

NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Sony Ericsson T310	Sanyo RL-4920	Sanyo Zio by Kyocera	BlackBerry Pearl 3G 9100 / 9105	Microsoft Lumia 640